On this early Corinthian stater, Pegasus has an archaic curled
wing and the reverse head of Athena is surrounded by an incuse
square. Athena wears a Corinthian helmet, the most popular type
employed by the Greeks, which completely encloses the wearer's head
and face, leaving only small almond-shaped eye holes and a narrow
opening to allow breathing. When not in battle, soldiers generally
pushed the Corinthian helmet back on the head, which is how Athena
is wearing it here. Struck by Corinth and its many colonies,
Corinthian "colts" rivaled the "owls" of Athens in commercial
importance and circulated throughout the Mediterranean.